Home / 20,162,516,650.80-30,243,774,976.20-5,440,514,449.20

Finding the Fourth Proportional to 20,162,516,650.80, 30,243,774,976.20 and 5,440,514,449.20

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Solution

The fourth proportional to 20,162,516,650.80, 30,243,774,976.20 and 5,440,514,449.20 is: 8,160,771,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,516,650.80 : 30,243,774,976.20 = 5,440,514,449.20 : x
  2. Step 2: Convert to fraction form
    20,162,516,650.80/30,243,774,976.20 = 5,440,514,449.20/x
  3. Step 3: Cross multiply
    20,162,516,650.80x = 30,243,774,976.20 × 5,440,514,449.20
  4. Step 4: Simplify right side
    20,162,516,650.80x = 164,541,694,756,369,498,112
  5. Step 5: Solve for x
    x = 164,541,694,756,369,498,112/20,162,516,650.80
  6. Step 6: Final answer
    x = 8,160,771,673.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.